00303nam a2200133Ia 45000030006000000080041000060400015000471000022000622450027000842500010001112600019001215460012001400050017001520STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aMurray Daniel, A.  aDifferential equations  aFirst  bLongmansc1963  aEnglish20220125165947.0